Plasticizer Contamination in Olive Oil Production
Author Information
Author(s): Flávia Freitas, João Brinco, Maria João Cabrita, Marco Gomes da Silva, Teresa A. P. Rocha-Santos
Primary Institution: NOVA School of Science and Technology, NOVA University Lisbon
Hypothesis
Where does plasticizer contamination in olive oil originate during production?
Conclusion
Plasticizer contamination in olive oil primarily comes from the production process, with significant increases during storage in plastic packaging.
Supporting Evidence
- Plasticizers were detected at various stages of olive oil production, indicating multiple contamination sources.
- DINP was the most prevalent plasticizer found in the samples.
- Contamination levels increased significantly during storage, especially in PET bottles.
- Some packaged olive oils exceeded the specific migration limits set by European regulations.
Takeaway
This study found that olive oil can get contaminated with harmful chemicals from the plastic used in its production and packaging, especially if stored in plastic for a long time.
Methodology
Samples were collected from three olive oil production lines and analyzed for 32 plasticizers using gas chromatography tandem mass spectrometry (GC-MS/MS).
Limitations
The study only analyzed 32 plasticizers, while many others exist that could also contaminate olive oil.
Digital Object Identifier (DOI)
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